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"From the weekend, Gaby Lovobalavu picked up an ankle injury which will probably leave him out for four to six weeks. While Willie le Roux's also fine, he just had stitches in his lip.

"Juan has a tight hamstring and Kyle is coming back from his calf and Achilles injury, so we're sweating on them. We're hoping those two will be available for selection but it's certainly not guaranteed.

"Jimmy Gopperth, Elliot Daly and Nathan Hughes are still very much in the early stages of their rehab. So we're not going to see them this side of the Anglo-Welsh Cup matches."

Guy Armitage, who has been restricted to appearances in the Anglo-Welsh Cup and the A League since arriving in 2016, replaced Lovobalavu and Young said he is likely to appear again.

"Obviously if the first-team regulars don't come through, the fringe players will step up. Guy did pretty well on Sunday," he added.

Guy Armitage is also likely to be in the match-day squad against Harlequins

"We all know he's a big physical guy that can handle the physicality of the game and I thought he did really well. He's impressed in some of our A Team games as well.

"Brendan Macken's not a stranger to the first-team. He's not played regularly but when he does step up we know he's more than capable.

"We're sweating on Juan and Kyle so they're the four centres we've got in the mix to be honest. That's pretty much the state of where we are really."

Wasps boss Young also ruled out bringing in any temporary cover on loan, with Nizaam Carr's spell at the club set to end at the end of this month.

"We're not looking to bring anyone in no, it's a matter of weeks not months with our injuries really" Young said, "they've got to be good enough to get in the team otherwise they just become trainers.